| Day | Rate | Set date |
|---|---|---|
| 3 December | 19.7100 | .. |
| 4 December | 19.2900 | .. |
| 5 December | 19.2200 | .. |
| 6 December | 18.3900 | .. |
| 7 December | 19.0300 | .. |
| 10 December | 18.1700 | .. |
| 11 December | 17.9100 | .. |
| 12 December | 18.2000 | .. |
| 13 December | 17.8000 | .. |
| 14 December | 18.3800 | .. |
| 17 December | 19.0600 | .. |
| 18 December | 19.1800 | .. |
| 19 December | 19.4700 | .. |
| 20 December | 19.1300 | .. |
| 21 December | 19.3600 | .. |
| 24 December | 19.3400 | .. |
| 27 December | 20.3400 | .. |
| 28 December | 20.3000 | .. |
| 31 December | 19.9000 | .. |